[ruby-core:78489] [Ruby trunk Bug#13005][Closed] Inline rescue is inconsistent when rescuing NoMethodError

Issue #13005 has been updated by Yukihiro Matsumoto.

Status changed from Open to Closed

```
o.a = 1 rescue $!.class
```

is parsed as

```
o.a = (1 rescue $!.class)
```

Try

```
(o.a = 1) rescue $1.class
```

Matz.

----------------------------------------
Bug #13005: Inline rescue is inconsistent when rescuing NoMethodError
https://bugs.ruby-lang.org/issues/13005#change-61868

* Author: Josh Cheek
* Status: Closed
* Priority: Normal
* Assignee: 
* ruby -v: ruby 2.4.0dev (2016-11-16 trunk 56815) [x86_64-darwin15]
* Backport: 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN
----------------------------------------
```ruby
o = "some object"

class << o
  private
  attr_accessor :a
end

# GETTER can be rescued in a begin-block or inline
begin   o.a     
rescue; $!.class        # => NoMethodError
end
o.a rescue $!.class     # => NoMethodError

# SETTER can be rescued in a begin-block but NOT inline!
begin   o.a = 1
rescue; $!.class        # => NoMethodError
end
o.a = 1 rescue $!.class

# ~> NoMethodError
# ~> private method `a=' called for "some object":String
# ~> Did you mean?  a
# ~>
# ~> program.rb:18:in `<main>'
```



-- 
https://bugs.ruby-lang.org/

Unsubscribe: <mailto:[e-mail]?subject=unsubscribe>
<http://lists.ruby-lang.org/cgi-bin/mailman/options/ruby-core>